Nyob zoo cov phooj ywg, coj koj mus saib peb cov khoom tshiab.Cov khoom no kuj yog cov khoom kub muag tshiab, ib daim iav carved.
Lub tsheb engraving daim iav yog engraved nrog daim iav, polishing daim iav, thiaj li hais tias daim iav nto tsim crystal ntshiab stereo kab los ua ib tug concise thiab kaj niaj hnub duab.Kev faib tawm hauv kev faib tawm ntawm daim iav kos duab, sib piv cov txheej txheem tshiab ntawm daim iav kos duab.
Vim nws qhov zoo ntawm nws cov khoom loj, daim ntawv thov ntau yam txuas ntxiv yog dav, los ntawm daim ntawv thov ntawm zawv zawg qhov rooj iav mus rau tom qab phab ntsa iav.Txij li cov duab ntawm lub log sib tsoo tuaj yeem hloov pauv, lub tsheb engraving daim iav tuaj yeem hloov kho ntau yam sib txawv ntawm cov kab txaij.
